20088323 has 4 divisors (see below), whose sum is σ = 20097288. Its totient is φ = 20079360.

The previous prime is 20088293. The next prime is 20088331. The reversal of 20088323 is 32388002.

It is a Cunningham number, because it is equal to 4482²-1.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 20088323 - 2⁶ = 20088259 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20088292 and 20088301.

It is not an unprimeable number, because it can be changed into a prime (20088823) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2240 + ... + 6722.

It is an arithmetic number, because the mean of its divisors is an integer number (5024322).

Almost surely, 2^20088323 is an apocalyptic number.

20088323 is a deficient number, since it is larger than the sum of its proper divisors (8965).

20088323 is an equidigital number, since it uses as much as digits as its factorization.

20088323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8964.

The product of its (nonzero) digits is 2304, while the sum is 26.

The square root of 20088323 is about 4481.9998884427. Note that the first 3 decimals coincide. The cubic root of 20088323 is about 271.8407507480.

The spelling of 20088323 in words is "twenty million, eighty-eight thousand, three hundred twenty-three".